| 51 | Background soil mineral nitrogen: AC0101, Devon, 2008 |
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| 52 | Coombe Valley Stream RE non-compliance (BOD) wet weather sampling : final report |
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| 53 | Report on the quality of bathing waters 1990 |
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| 54 | General Quality Assessment (GQA) Devon Area 1994 |
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| 55 | Porth stream EC surface water abstraction failure 1993 : final draft report |
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| 56 | Nutrient export modelling on the River Bure, Norfolk : progress report 2 : June-July 1995 |
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| 57 | Regional water quality monitoring and surveillance programme for 1992 : quality investigations in controlled waters |
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| 58 | Field validation of algal toxin test kit : progress report for period August 1992 - October 1992 |
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| 59 | Investigating the Applicability of Passive Sampling Devices to Pesticide Monitoring |
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| 60 | Time of travel for the Greadon Farm pollution incident on the Upper Torridge of 19th August 1997 (1997) |
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| 61 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
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| 62 | A review of hazardous substances |
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| 63 | Helford Estuary Gweek Quay sediment quality data report |
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| 64 | Report on the national marine analytical quality control scheme 1992/93 (MPMMG 93/12) : presented to the October 1993 meeting of the Marine Pollution Monitoring Management Group |
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| 65 | Summary report on blue-green algae toxin analysis, Toxicity Assessment and reporting to the Environment Agency, 1998 |
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| 66 | Soil moisture data: AC0111, Cambridgeshire, 2010-2011 |
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| 67 | European collaboration to develop standard sediment toxicity test methods (396/4/T) : interim report |
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| 68 | An interim report on the coastwatch bioaccumulation programme : metals |
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| 69 | Sampling Littoral Diatoms in Lakes for Ecological Status Assessments: a Literature Review |
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| 70 | The Effectiveness of Liners in Inhibiting the Migration of Landfill Gas |
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| 71 | Effects of agricultural soil erosion on watercourses |
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| 72 | Estuarine fish survey 1989 : inferences on the pollution status of the Thames estuary |
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| 73 | The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392) |
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| 74 | Silloth sediment survey : April, July 1990 |
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| 75 | Classification of estuary quality |
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